HI, It is a long time that I read suse security mailing-list. I figured my SuseFirewall1 v 5.0 and squid 2.3 for transparent proxy, all works well! I used Manuals of my "Suse 7.2 Pro" box. Now I installed "Suse 7.3 Pro" I configured SuseFirewall2 script but I have a problem with SuseFirewall2 v2.0 and Squid 2.3. Transparent proxy does not work, and I can not understand why? I used iptraf to see the connections...clients access directly to network and not through squid ip address!! Networks Manuals of "Suse 7.3 Pro" are the same of "Suse 7.2" but the Suse Firewall is updated from 1 to 2! There are no specific mention to this! I have configued the SuseFirewall2 script with this lines: FW_SERVICE_SQUID="yes" FW_REDIRECT="192.168.1.0/24,0/0,tcp,80,3128 192.168.1.0/24,0/0,udp,80,3128" The squid.conf file is so configured: httpd_accel_host virtual httpd_accel_port 80 httpd_accel_with_proxy on httpd_accel_uses_host_header on Many thanks Lorenzo Rossi